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Herbaceous PerennialSynonym

Stachys macrantha 'Superba'
  • RHS AGM
  • RHS Plants for pollinators

betony 'Superba'

An upright perennial to 60cm tall, with neatly toothed, oblong leaves and hooded deep rosy-purple flowers 3.5cm long in dense spikes in summer and early autumn

Synonyms
Stachys macrantha 'Superba'
Stachys grandiflora superba
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple Green
Autumn Purple Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Lamiaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Betonica is a genus of native perennial wildflowers with narrow, oval leaves on upright stems. Bright purple to red flowers appear throughout the summer and into early autumn.

Name status

Accepted

How to grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun or partial shade

Propagation

Divide in spring. Propagate by seed in spring or autumn and keep in a cold frame

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

Remove flowered stems

Pests

Slugs and snails may be a problem

Diseases

May be affected by powdery mildew

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